Questify GPT
AI-powered question paper generation, quiz delivery, and adaptive assessment platform built for Anna University affiliated institutions.
Comprehensive schema covering 7 domains
Questions across 4 formats
Student quiz attempts tracked
Active development since Jan 2025
Overview
Questify GPT is an AI-powered university question paper generation, quiz delivery, and adaptive assessment platform built for Anna University affiliated institutions in Tamil Nadu. Part of a high-worth government-sanctioned project.
What It Does
- Structured question paper authoring — Faculty build blueprints with CO-Bloom-Difficulty matrices
- RAG-grounded generation — Questions sourced from uploaded textbooks with citations
- Chat-backed AI workflow — Full chat sessions with undo/redo, context compaction, streaming
- Quiz delivery — Timed quizzes with proctoring, leaderboards
- Adaptive practice — IRT-based sessions with theta tracking
- Multi-agent runtime — DB-backed agent/tool registry with approval flows
Architecture
6-service microservice architecture: frontend, backend, quiz-engine, question-store, authoring-ui, rag-server + PostgreSQL + Redis + ChromaDB + Milvus + MinIO.
AWS Bedrock (Claude Sonnet 4) for LLM, Amazon Titan Embed v2 for embeddings, OpenSearch for hybrid BM25 + kNN retrieval.
Challenges
- Building a RAG pipeline that grounds AI generation in actual textbook content
- Implementing IRT-based adaptive assessment with real-time theta tracking
- Coordinating a 10-member team across multiple service boundaries
Solutions
- Hybrid BM25 + kNN search with OpenSearch for retrieval accuracy
- DB-backed multi-agent runtime with approval flows for safe tool execution
- Chat-backed workflow with context compaction for long sessions
Technologies
Languages
Frameworks
Databases